Flux
Umami
| Feature | Flux | Umami |
|---|---|---|
| Pricing | Free / from $0.05/mo | Free / from $9/mo |
| Free Plan | ✓ Yes | ✓ Yes |
| Rating | 4.6 / 5 | 4.5 / 5 |
| Best For | ai-artists, developers, content-creators, researchers | indie-developers, privacy-focused-sites, bloggers, small-businesses |
| Founded | 2024 | 2020 |
| Text To Image | ✓ | ✗ |
| High Resolution | ✓ | ✗ |
| Text Rendering | ✓ | ✗ |
| Local Deployment | ✓ | ✗ |
| Api | ✓ | ✓ |
| Controlnet Support | ✓ | ✗ |
| Fine Tuning | ✓ | ✗ |
| Page Views | ✗ | ✓ |
| Custom Events | ✗ | ✓ |
| Realtime Dashboard | ✗ | ✓ |
| Utm Tracking | ✗ | ✓ |
| Multi Site | ✗ | ✓ |
| Teams | ✗ | ✓ |
✓ Flux Pros
- Best open-source image quality available
- Excellent text rendering in generated images
- Multiple model sizes (Schnell, Dev, Pro)
- Can run locally on consumer hardware
✗ Flux Cons
- Pro model requires API payment
- Fewer community tools than Stable Diffusion
- High VRAM requirements for best quality
✓ Umami Pros
- Completely open-source and self-hostable for free
- Beautiful, clean dashboard interface
- No cookies required (GDPR/CCPA compliant by default)
- Lightweight script (under 2KB) does not slow sites
✗ Umami Cons
- Limited advanced analytics features
- No conversion funnel or cohort analysis
- Self-hosting requires database management
The Verdict
Flux is built for ai artists and developers, with a focus on text-to-image and high-resolution. Umami targets indie developers and privacy focused sites and leads with page-views and custom-events.
On pricing, Flux is the clear winner for budget-conscious users — starting at $0.05/mo compared to $9/mo for Umami. That $8.95/mo difference adds up quickly for growing teams.
Both offer free plans, so you can test each with your real workflow before committing to a subscription.
This is a genuinely close comparison. If you can, sign up for both free trials (where available) and run a one-week test with your actual team tasks before deciding.